SIMPULUM. 15 



T. ciNGULATUS, Lam. PI. 8, figs. .')5, 5fi. 



Light yellowish brown, with the revolving ribs darker ; slightly 

 shouldered and tuberculate on the angle ; canal rather long and 

 recurved. Length, 2 to 2"75 inches. 



Philippines ; Flouting dock, St. Thomas, W. I. (Swift Coll.). 



T. Voigtii, Anton (fig. :)(\) is a synonym, according to Philippi, 

 who publishes the first and only illustration of that species. 



T. WiEGMANNi, Anton. 1*1. *.). fig. iit. 



Whorls decidedly shouldered, and nodulous on the angle of 



the shoulder. Yellowish brown, the revolving ribs darker in 



color. Length, 2*5 to 3*.5 inches. 



Mazatlan to Panama. 



There is but little difierence between this and the preceding 

 species : it has a more decided shoulder and the canal is shorter. 

 Should they prove identical, which is probable, the species must 

 be called T. cinr/uJafv.s^ Lam. 



T. CLANDESTINUS. Laui. PI. 9, fig .58. 



Ver\' light yellowish brown ; the regular cord-like revolving 



ribs chestnut-brown ; aperture white within. 



Length, 1'5 to 2*5 inches. 



A'littrfiliri. 



T. LIGNARIUS, Brod. PI. '.). Hg. fi.S. 



Solid ; yellowisli brown, with dark chestnut revolving bands ; 

 columella with a double series of small tubercles which are white 

 upon an orange ground ; outer lip orange stained, with white 

 tuberculations. Length, 1-25 inches. 



W. Coast Central America ; sandy mud, 7 to 12 fathoms 



A very distinct species, readily recognizable by its sculpture 

 and showy coloring. 



J^y, Group Cabestana, Bolten. 

 T. CUTACEUS, Linn. PI 9, fig. 59. 



The revolving ribs are elegantly sculptured into close, bead- 

 like nodules. Light yellowish brown, white within the aperture. 

 Length, 2 to .3 inches. 



Mediterranean Sea ; W. Coast of France ; 



ChatDiel Islands ; Cape Verd Isles. 



